Overview
The LM25066IAPSQE/NOPB, produced by Texas Instruments, is a high-performance hot-swap controller designed to accurately measure, control, and protect the electrical operating conditions of critical systems. This component is fully compliant with Intel Node Manager 2.0 and 2.5, and it incorporates a PMBus 1.2 compliant SMBus/I2C interface. It combines advanced features such as real-time monitoring of voltage, current, power, and temperature, along with configurable protection mechanisms to ensure the integrity of sensitive circuitry.
Key Specifications
| Specification | Value |
|---|---|
| Package | WQFN (NHZ) 24-pin |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 2.9V to 17V |
| Current Limit Threshold | Programmable 25mV or 46mV |
| Current Measurement Accuracy | ±1% over temperature |
| Power Measurement Accuracy | ±2.0% over temperature |
| Sampling Rate | 1 kHz with 12-bit resolution |
| Package Quantity | Carrier 250 (SMALL T&R) |
Key Features
- Fully Node Manager 2.0 and 2.5 Compliant with I2C/SMBus interface and PMBus™ compliant command structure
- Programmable 25mV or 46mV current limit threshold
- Read_EIN command for accurate input power measurement via simultaneous sampling
- Configurable circuit breaker protection for hard shorts
- Configurable under- and over-voltage lockouts with hysteresis
- Real-time monitoring of VIN, VOUT, IIN, PIN, VAUX with 12-bit resolution and 1 kHz sampling rate
- Averaging of VIN, IIN, PIN, and VOUT over programmable interval ranging from 0.001 to 4 seconds
- Programmable WARN and FAULT thresholds with SMBA notification
- Blackbox capture of telemetry measurements and device status triggered by WARN or FAULT condition
- Temperature monitoring block interfaces with a low-cost external diode for continuous temperature assessment
- POWER GOOD output provides a fast alert when input and/or output voltages are outside their programmed range
Applications
The LM25066IAPSQE/NOPB is suitable for various critical systems that require precise power management and protection. These include:
- Data centers and cloud infrastructure
- Telecommunication equipment
- High-performance computing systems
- Industrial control systems
- Medical devices requiring high reliability and precision power management
Q & A
- What is the operating temperature range of the LM25066IAPSQE/NOPB?
The operating temperature range is -40°C to 125°C.
- What is the input voltage range of the LM25066IAPSQE/NOPB?
The input voltage range is 2.9V to 17V.
- What is the current measurement accuracy of the LM25066IAPSQE/NOPB?
The current measurement accuracy is ±1% over temperature.
- Does the LM25066IAPSQE/NOPB support real-time monitoring?
- What protection mechanisms are available on the LM25066IAPSQE/NOPB?
The device includes configurable circuit breaker protection for hard shorts, under- and over-voltage lockouts with hysteresis, and a fast-acting circuit breaker.
- How does the LM25066IAPSQE/NOPB handle temperature monitoring?
The device interfaces with a low-cost external diode for continuous temperature assessment of the external MOSFET or other thermal sensitive components.
- What is the purpose of the POWER GOOD output on the LM25066IAPSQE/NOPB?
The POWER GOOD output provides a fast alert when the input and/or output voltages are outside their programmed range.
- Does the LM25066IAPSQE/NOPB support blackbox capture of telemetry data?
- What is the package type and pin count of the LM25066IAPSQE/NOPB?
The package type is WQFN (NHZ) with 24 pins.
- Is the LM25066IAPSQE/NOPB compliant with industry standards?
